financially supported by the National Natural Science Foundation of China (Nos. 51374197 and 50774078);the National Basic Research Program of China (No. 2015CB251600);the University Discipline Construction Project of Jiangsu Province, Blue Project of Jiangsu Province;the Open Foundation of State Key Laboratory of Coal Resources and Sage Mining (No. SKLCRSM12X06)
Based on the elastic plate theory, a mechanical model of thin plate for the first caving of overlying roof rock in steep mining face was established. The analytical solution of the deflection and stress distribution o...